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What size is spare on r/t?

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Old 06-15-2012, 06:24 PM
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Default What size is spare on r/t?
I'm looking at 22s but will be towing a racecar and want a full-size spare if I'm going cross country
 
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Old 06-15-2012, 06:29 PM
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It's a full size spare, haven't crawled underneath but my guess is its am 18" or 20"
 
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Old 06-15-2012, 06:54 PM
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Thanks. Can you crawl underneath and look sometime? I imagine you can run a smaller tire on one corner for a while although I worry the traction control/ ABS/computer might throw some codes or put you in limp mode?
 
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Old 06-15-2012, 07:04 PM
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Originally Posted by budoboy1
Thanks. Can you crawl underneath and look sometime? I imagine you can run a smaller tire on one corner for a while although I worry the traction control/ ABS/computer might throw some codes or put you in limp mode?
I'll check for u when I get home... I'm sure whatever they use is very close
in overall diameter to the oem 20's!
 
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Old 06-15-2012, 11:19 PM
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Full size - 245/65-18
 
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Old 06-16-2012, 12:01 AM
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Thanks! I guess the height of the spare should be similar to the stock 20
 
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Old 06-16-2012, 10:48 AM
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Originally Posted by budoboy1
Thanks! I guess the height of the spare should be similar to the stock 20
265/50-20 = 30.43 OD & 245/65-18 = 30.54 OD so their very close!
 
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Old 06-16-2012, 11:46 AM
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I looked up 275/40/22s and it showed 30.7. Not much of a difference there either.
 
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